
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
            background-color: #f5f5f5;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        h1 {
            color: #333;
            text-align: center;
        }
        .video-container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 20px;
        }
        .video-box {
            width: 640px;
            background: #eee;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 6px rgba(0,0,0,0.1);
        }
        .video-title {
            background: #4a6fa5;
            color: white;
            padding: 10px;
            text-align: center;
            margin: 0;
        }
        .video-stream {
            width: 100%;
            height: 480px;
            background: #000;
            display: block;
        }
        .source-list {
            background: #f8f8f8;
            padding: 15px;
            border-radius: 8px;
            margin-top: 20px;
        }
        .source-list h3 {
            margin-top: 0;
        }
        .source-list ul {
            columns: 2;
            padding-left: 20px;
        }
        .source-list li {
            margin-bottom: 5px;
        }
        @media (max-width: 768px) {
            .video-box {
                width: 100%;
            }
            .source-list ul {
                columns: 1;
            }
        }
        